86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package middlewares
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import (
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"errors"
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"testing"
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"github.com/cloudskiff/driftctl/pkg/resource"
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)
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var callCounters map[string]int
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type FakeMiddleware struct {
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Name string
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Err error
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}
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func (m FakeMiddleware) Execute(remoteResources, resourcesFromState *[]*resource.Resource) error {
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callCounters[m.Name]++
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return m.Err
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}
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func TestChainMiddleware(t *testing.T) {
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callCounters = make(map[string]int)
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fakeMiddleware1 := FakeMiddleware{
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Name: "1",
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}
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fakeMiddleware2 := FakeMiddleware{
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Name: "2",
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}
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middleware := NewChain(fakeMiddleware1, fakeMiddleware2)
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remoteResources := []*resource.Resource{}
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stateResources := []*resource.Resource{}
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err := middleware.Execute(&remoteResources, &stateResources)
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if err != nil {
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t.Error("A middleware returned an error")
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}
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if callCounters["1"] != 1 {
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t.Error("Middleware 1 was not called correctly")
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}
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if callCounters["2"] != 1 {
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t.Error("Middleware 2 was not called correctly")
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}
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}
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func TestChainMiddlewareErrorShouldStopExecution(t *testing.T) {
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callCounters = make(map[string]int)
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fakeMiddleware1 := FakeMiddleware{
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Name: "1",
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Err: errors.New("Test error"),
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}
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fakeMiddleware2 := FakeMiddleware{
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Name: "2",
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}
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middleware := NewChain(fakeMiddleware1, fakeMiddleware2)
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remoteResources := []*resource.Resource{}
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stateResources := []*resource.Resource{}
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err := middleware.Execute(&remoteResources, &stateResources)
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if err == nil {
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t.Error("No error were reported")
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}
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if err.Error() != "Test error" {
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t.Error("Unknown error reported")
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}
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if callCounters["1"] != 1 {
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t.Error("Middleware 1 was not called correctly")
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}
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if callCounters["2"] != 0 {
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t.Error("Middleware 2 was called after error happen in middleware 1")
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}
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}
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